How severe is CVE-2005-0876?

CVE-2005-0876 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2005-0876 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-0876?

CVE-2005-0876 primarily affects Dnsmasq. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-0876?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2005-0876 published?

CVE-2005-0876 was published on 2005-05-02 and last updated on 2026-06-16.

CVE-2005-0876

CVE-2005-0876 is a medium-severity vulnerability in Dnsmasq with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Dnsmasq
Published: 2005-05-02
Last modified: 2026-06-16

Description

Off-by-one buffer overflow in Dnsmasq before 2.21 may allow attackers to execute arbitrary code via the DHCP lease file.

Frequently asked questions

What is CVE-2005-0876?: Off-by-one buffer overflow in Dnsmasq before 2.21 may allow attackers to execute arbitrary code via the DHCP lease file.
How severe is CVE-2005-0876?: CVE-2005-0876 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2005-0876 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-0876?: CVE-2005-0876 primarily affects Dnsmasq. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-0876?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-0876 published?: CVE-2005-0876 was published on 2005-05-02 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:a:dnsmasq:dnsmasq:2.14:*:*:*:*:*:*:*
cpe:2.3:a:dnsmasq:dnsmasq:2.15:*:*:*:*:*:*:*
cpe:2.3:a:dnsmasq:dnsmasq:2.16:*:*:*:*:*:*:*
cpe:2.3:a:dnsmasq:dnsmasq:2.17:*:*:*:*:*:*:*
cpe:2.3:a:dnsmasq:dnsmasq:2.18:*:*:*:*:*:*:*
cpe:2.3:a:dnsmasq:dnsmasq:2.19:*:*:*:*:*:*:*
cpe:2.3:a:dnsmasq:dnsmasq:2.20:*:*:*:*:*:*:*

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